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IAUC 7603: 2001ag; 2001ah

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                                                  Circular No. 7603
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


SUPERNOVA 2001ag IN MCG +08-18-9
     T. Puckett and M. Peoples, Mountain Town, GA, report the
discovery of an apparent supernova (mag 18.2) on an unfiltered CCD
frame (limiting mag 20.5) taken with the Puckett Observatory 0.60-m
automated supernova patrol telescope on Mar. 27.27 UT.
SN 2001ag is located at R.A. = 9h34m31s.01, Decl. = +46o27'38".7
(equinox 2000.0), which is 5".9 west and 3".0 south of the center
of MCG +08-18-9.  The new object was also present on an unfiltered
CCD frame taken on Mar. 28.03, but it was not present on a frame
taken on Jan. 3.42, neither does it appear on Palomar Sky Survey
images taken on 1990 Jan. 24, 1995 Nov. 23 (limiting mag about
21.0), or 1953 Feb. 14 (limiting mag about 20.0).
     T. Matheson, S. Jha, P. Challis, and R. Kirshner, Harvard-
Smithsonian Center for Astrophysics, report that a spectrum of SN
2001ag, obtained by P. Berlind on Mar. 28.19 UT with the F. L.
Whipple Observatory 1.5-m telescope (+ FAST spectrograph), shows it
to be a type-II supernova.  The spectrum consists of a blue
continuum with well-developed P-Cyg lines of hydrogen.  Narrow
H-alpha emission superposed on the spectrum of the supernova
indicates a recession velocity of 8000 km/s for the host galaxy.
The expansion velocity derived from the minimum of the H-beta line
is about 9100 km/s.


SUPERNOVA 2001ah IN UGC 6211
     Puckett and Peoples also report the discovery of another
apparent supernova (mag 18.3) on an unfiltered CCD frame (limiting
mag 20.5) taken as above on Mar. 27.24 UT.  SN 2001ah is located at
R.A. = 11h10m29s.82, Decl. = +55o09'39".0 (equinox 2000.0), which
is 4".3 west and 32".4 south of the center of UGC 6211.  The new
object was also present on an unfiltered CCD frame taken on Mar.
28.11.  SN 2001ah does not appear on Palomar Sky Survey images
taken on 1991 Apr. 4, 1991 Feb. 10 (limiting mag about 21.0), or
1953 Feb. 14 (limiting mag about 20.0).  M. Schwartz, Cottage Grove,
OR; and W. Li, University of California at Berkeley, report the
independent discovery by LOTOSS (cf. IAUC 7514) of this object at
mag about 17.8 on unfiltered images taken with the 0.5-m Tenagra
III automatic telescope on Mar. 27.2 and 28.3.  They give position
end figures 29s.85, 39".0; an image taken on Mar. 9.2 showed
nothing at this position (limiting mag 19.0).

                      (C) Copyright 2001 CBAT
2001 March 28                  (7603)            Daniel W. E. Green

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